华电技术 ›› 2011, Vol. 33 ›› Issue (11): 23-27.
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曾爱平
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ZENG Aiping
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摘要: 湖南长沙发电有限公司 #1机组大修后,先后出现2次冲转暖机过程中中调门突然开启、转速上升很快且控制不住转速的情况,详细分析了数字电调控制系统及中调门突开的原因,采取了有效措施后,数字电调系统中调门突开现象消失。
关键词: 数字电调系统, 暖机逻辑, 升速, 原因分析
Abstract: In the Hunan Changsha Power Generation Corporation Limited, after the overhaul of the unit No.1, the mediumpressure regulating valve suddenly opened during rolling the turbine and warming up two times, and the rotate speed was increasing quickly and can not be controlled. The digital electrohydraulic control system and the reason of the mediumpressure regulating valve suddenly opening were analyzed in detail. After the effective measures were adopted, the suddenly opening of the mediumpressure regulating valve was not occurred again.
Key words: digital electro-hydraulic control system (DEH), warming up logic, speed increasing, reason analysis
曾爱平. 数字电调系统中调门突开原因分析[J]. 华电技术, 2011, 33(11): 23-27.
ZENG Aiping. Reason analysis of suddenly opening of mediumpressure regulating valve in digital electrohydraulic control system[J]. Huadian Technology, 2011, 33(11): 23-27.
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